TOPIC SUMMARIES & PRACTICE

Cram notes.

Key concepts and exam-focused explanations, with questions at the end of every lesson.

AS, A2 & PRACTICAL SKILLS

Choose a topic

Select a unit to browse its topics.
Filter by level or search below.

AS · UNIT 1

Biochemistry & cells

Biological molecules, cell structure, enzymes and cell division.

6 topics

Biological moleculesNot published Cell structure & organisationNot published Membranes & transportNot published Enzymes Nucleic acidsNot published Cell divisionNot published

AS · UNIT 2

Biodiversity & body systems

Classification, gas exchange, transport and nutrition.

4 topics

Classification & biodiversityNot published Gas exchangeNot published Transport systemsNot published NutritionNot published

A2 · UNIT 3

Energy & the environment

Photosynthesis, respiration, ecosystems and regulation.

8 topics

ATPNot published PhotosynthesisNot published RespirationNot published MicrobiologyNot published Populations & ecosystemsNot published Human impactNot published Homeostasis & the kidneyNot published The nervous systemNot published

A2 · UNIT 4

Genetics & variation

Reproduction, inheritance, evolution and applied genetics.

8 topics

Human reproductionNot published Plant reproductionNot published InheritanceNot published Variation & evolutionNot published Applied geneticsNot published Immunology & diseaseOptionNot published Musculoskeletal anatomyOptionNot published Neurobiology & behaviourOptionNot published

A2 · UNIT 5

Practical skills

Experimental design, data analysis and evaluation.

2 topics

Experimental skillsNot published Practical analysisNot published

Unit 4 includes three optional pathways. You study one.See the course outline